Gearmotors
Helical gearmotors

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The gear units of the R series are available in the following designs
- Single- or multi-stage
- Foot-mounted and/or flange-mounted design
- Flange-mounted design with extended output bearing hub
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Always the optimum space/performance ratio
Six single-stage and fourteen two- and three-stage sizes covering a power range from 50 to 18,000 Nm:
Our helical gear units always offer an optimum ratio between performance and space requirements.
The fine graduation and variety of torque ratings and gear ratios is peerless. They also satisfy
demands for high output speeds or low weight due to the many available sizes. The result:
a helical gear unit is always suitable.
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Technical data
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Type / series
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Sizes
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Max. output torque [Nm]
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Gear unit ratio [i]
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Gear unit ratio multi-stage gear unit [i]
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RX (single-stage)
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57, 67, 77, 87, 97, 107
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69 ... 830 |
1.30 ... 8.65 |
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R (two- and three-stage) |
07, 17, 27, 37, 47, 57, 67, 77, 87, 97, 107, 137, 147, 167
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50 ... 18,000 |
3.21 ... 289.74 |
90 ... 27,001 |
RM (two- and three-stage) |
57, 67, 77, 87, 97, 107, 137, 147, 167
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450 ... 18,000 |
4.29 ... 289.74 |
134 ... 27,001 |
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Parallel shaft helical gearmotors

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The gear units of the F series are available in the following designs:
- Foot or flange-mounted design
- B5 flange-mounted design
- B14 flange-mounted design
- Solid shaft or hollow shaft
- Hollow shaft with keyed connection, shrink disk, splined hollow shaft or TorqLOC®
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Parallel shaft helical gear units (F): Tailor-made for limited space conditions
The particularly slim-fit parallel shaft helical gear units are used wherever space is limited. Various mounting positions
and designs make for a large range of applications even under adverse conditions. Thanks to its construction characteristics
and its large torque range from 120 to 18,000 Nm, this standard gear unit is an ideal solution for many materials handling
and process engineering applications.
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Technical data
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Type / series
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Sizes
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Max. output torque [Nm]
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Gear unit ratio [i]
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Gear unit ratio multi-stage gear unit [i]
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F |
27, 37, 47, 57, 67, 77, 87, 97, 107, 127, 157
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120 ... 18,000 (also with reduced backlash) |
3.77 ... 281.71 |
87 ... 31,434 |
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Helical-bevel gearmotors

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The gear units of the K series are available in the following designs:
- Foot or flange-mounted design
- B5 flange-mounted design
- B14 flange-mounted design
- Solid shaft or hollow shaft
- Hollow shaft with keyed connection, shrink disk, splined hollow shaft or TorqLOC®
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Helical-bevel gear units (K): Strong performance and high efficiency in a very compact design
The compact design of all our gear units is most obvious in our helical-bevel gear units. They are sophisticated right-angle
gear units for all engineering applications that require space-saving installation. At the same time, they offer a powerful
torque range from 200 to 50,000 Nm. They ensure a remarkably high degree of efficiency of more than 96 per cent in both
directions of rotation and for any input speed. A gear unit built to last: The gearing is designed for high endurance and
thus makes for a high-torque, wear-free drive.
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Technical data
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Type / series
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Sizes
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Max. output torque [Nm]
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Gear unit ratio [i]
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Gear unit ratio multi-stage gear unit [i]
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K |
37, 47, 57, 67, 77, 87, 97, 107, 127, 157, 167, 187
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200 ... 50,000 (also with reduced backlash) |
3.98 ... 197.37 |
94 ... 32,625 |
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Helical-worm gearmotors

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The gear units of the S series are available in the following designs:
- Foot or flange-mounted design
- B5 flange-mounted design
- B14 flange-mounted design
- Solid shaft or hollow shaft
- Hollow shaft with keyed connection, shrink disk, splined hollow shaft or TorqLOC®
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Helical-worm gear units (S): Cost effective due to simple design
The strength of the helical-worm gear units is their simple mechanical structure. Tailored individually to torque and speed
requirements, they save installation space and costs when implemented in simple applications. In addition to the large gear
ratio in the worm gear stage, our helical-worm gear units also offer a significantly higher level of efficiency than pure
worm gear units. Power is transmitted linearly to the drive shaft and the torque shocks are reduced – making for a low noise
level. Their torque range runs from 92 to 4,000 Nm.
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Technical data
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Type / series
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Sizes
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Max. output torque [Nm]
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Gear unit ratio [i]
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Gear unit ratio multi-stage gear unit [i]
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S |
37, 47, 57, 67, 77, 87
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92 ... 4,000 |
6.80 ... 288.00 |
94 ... 33,818 |
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SPIROPLAN® gearmotors

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The gear units of the W series are available in the following designs:
- Foot or flange-mounted design
- B5 flange-mounted design
- B14 flange-mounted design
- Solid shaft or hollow shaft
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SPIROPLAN® right-angle gear units (W):
The low-noise lightweights
The SPIROPLAN® right-angle gearmotors do their job reliably and quietly. In the power range from 0.09 to 2.2 kW,
the SPIROPLAN® series provides output torques up to 180 Nm - its wear-free gearing ensuring very quiet operation.
In combination with the compact design and the light-weight aluminum housing, the noise level is almost perfectly
low. The oil fill is independent of the mounting position, which means the SPIROPLAN® gearmotors can be used
universally while requiring almost no maintenance. The gear ratio range offers a very high degree of variability
with respect to output speed and optimized mechanical efficiency.
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Technical data
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Type / series
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Sizes
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Max. output torque [Nm]
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Gear unit ratio [i]
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W |
10 |
25 |
3.91 ... 75.00 |
20 |
40 |
6.57 ... 75.00 |
30 |
70 |
37 (NEW) |
110 |
3.2 ... 70.00 |
47 (NEW) |
180 |
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